baber/WOPTO huggingface dataset:
Patent GB-1536201-A (GB)
Title: Mixing method and installation
IPC: B02C13/06
Filed: 1976-03-03
Abstract: 1536201 Mixing SOC D'APPLICATIONS DE PROCEDES INDUSTRIELS ET CHIMIQUES 3 March 1976 [3 March 1975] 08577/76 Heading B1C A method of continuously preparing a mixture of materials comprising a granular and/or a pulverulent charge which is agglomerated by a binder and a hardener, comprises: forming an intimate and homogeneous pre-mix by malaxating the charge and a first material comprising only one of the binder and hardener, then introducing a second material comprising the other of the binder and hardener so as to bring the second material into contact with the pre-mix in a thin film malaxating apparatus, malaxating the final mixture of the pre-mix and the second material in the form of a thin film, for a few seconds, and finally discharging the final mixture. The pre-mix may be formed in a screw mixer or a first "thin film" malaxator and then discharged to a "thin film" malaxator where the second constituent is added, or the process may be carried out in a single "thin film" malaxator where the pre-mix is first formed and the second constituent added later. Preferably the granular material is first mixed with the binder and the binder is added as the second constituent. As shown in Fig. 1, in a continuous malaxator 18 and horizontal thin malaxator 11, sand is added at 20, hardener at 22 and resin at 12a and 12b. The malaxator 18 has a slow screw 19 and the thin film malaxator 11 comprises mixing blades 15. In Fig. 2 a vertical thin film malaxator 21 is employed and in Figure 3 there are two vertical thin film malaxators 32, replacing the slow screw malaxator of Fig. 1, and 21. In Figure 4, a horizontal malaxator 11 enables the formation of the pre-mix and of the final mixture to be effected concurrently. The blades 15 may be inclined or helically arranged to advance material to the outlet. The invention is applicable to the formation of foundry sand, other refractory or abrasive products, powdered marble, gravel and other granular building material.
Patent GB-294228-A (GB)
Title: Improvements in or relating to fastenings more especially for attaching ear-ornaments to the ear
IPC: A44C7/00
Filed: 1928-03-21
Abstract: 294,228. FouquetiÞre, G. July 22, 1927, [Convention date], Clips, sliding-jaw. - A fastening, more especially or attaching ear-ornaments to the ear, comprises two elements a, b hinged together to form a U-shaped clamp which is held closed by a spring c. A plunger e carrying a clamping member g for the ear is pressed towards the ear by a weaker spring h which bears at its other end against a barrel d carried by the element b.
Patent GB-287567-A (GB)
Title: Electrical braking generators
IPC: H02K49/06
Filed: 1928-03-21
Abstract: 287,567. Deutsche Versuchsanstalt fiir Luftfahrt E. V. March 25, 1927, [Convention date]. Void [Published under Sect. 91 of the Acts]. Inductor machines.- In order to reduce the weight and moment of inertia of the rotor, a braking generator is constructed as an inductor machine, the rotor having alternate magnetic and non-magnetic parts at the periphery. As shown in Figs. 1 and 2, the rotor comprises a magnetic disc 1 with slots 2, and is secured by a tension ring 3 on one of a number of different rings 4 adapted to fit different shafts, for example on aeroplane engines. The cup-shaped stator 5 is located at the side of the rotor and is provided with an exciting winding 6 and annular poles 7, 8. Separate laminated pole-shoes 9, 10 on the annular poles carry generating windings 11, 12. The axial thrust of the rotor is taken up through a ball bearing 13 by a spring 15 bearing against a screw cap 14, the position of which gives a measure of the resultant axial thrust. Few rotor slots are employed so as to obtain a lower frequency with a corresponding reduction in the iron losses and greater accuracy when the output of the generator is taken as the measure of the tested load. The stator 5 may be provided with a weighted lever for measuring the torque in the usual way. In a modification, Fig. 3, the stator is mounted around an extension 17 of a frame 16 and the axial thrust of the rotor is counteracted by means of a liquid fed under pressure to one side of the ball bearing 13 through a pipe 19. The axial thrust can be read on a calibrated pressure gauge.
Patent GB-655887-A (GB)
Title: Fastening device for laces, straps, belts and the like
IPC: A43C7/04
Filed: 1948-03-25
Abstract: 655,887. Cord and strap fastenings. RAVE, J. March 25, 1948, No. 8750. Convention date, March 26, 1947. [Class 44] [Also in Group VII] A fastening device for laces, straps and the like comprises two parts, one part 1, Fig. 1, in the form of a loop, e.g. of wire having an opening 2 and the other part 3, Fig. 2, having a cross-piece 5 over which the free end of the cord 10, Fig. 4, is drawn, the part 3 adapted to pass through the opening 2 and fastening the cord in the narrow end. In the form of Fig. 8, for fastening strap ends 7, 10, the parts are formed from sheet material. Teeth 12 formed on one end of the part 3 provide a ready releasing means by pulling up the free end of the strap 10 to tip this part through the opening 2. The parts are smooth and rounded where they engage the cord or strap.
Patent GB-851531-A (GB)
Title: Improvements in and relating to control circuits for h.f. heating apparatus
Inventor: CANT WILLIAM
IPC: H05B6/04
Filed: 1957-03-18
Abstract: 851,531. Automatic control systems for power supplies. BRITISH THOMSON-HOUSTON CO. Ltd. March 18, 1957, No. 8820/57. Class 38 (4). A power supply comprising transformer fed thyratrons has constant voltage control up to a predetermined current limit and thereafter current control at reduced voltage. The oscillator of an R.F. heater is supplied from transformer T1 through thyratrons V1-V3, to the control grids of which is fed a phase-changed voltage from transformer secondary T2. The D.C. level of the star point of T2 is varied to control the firing instant of the thyratrons. Voltages proportional to the rectifier output voltage and current are derived from potentiometer P1 and resistor R1 and balanced against reference voltages RV1 and RV2, the resulting potentials at points X and Y being used for control. At low currents diode D is non-conducting and the potential at point Y, amplified through two-stage amplifier V4, V5, varies the thyratron conduction to give constant voltage. Above a predetermined current limit, set on P3, the potential at X drops sufficiently for diode D to conduct, thus feeding a current control signal into the amplifier. The screen resistor on V5 is non-linear to give maximum sensitivity on low signals, but to limit screen dissipation when the valve saturates. The R.F. heater is intended for heating ferromagnetic material beyond the Curie point, at which an abrupt change of impedance occurs. Specification 743,887 is referred to.
Patent GB-801375-A (GB)
Title: Ammunition cartridge
Inventor: DARCHE ALBERT AUGUSTIN ALEXAND
IPC: F42B5/16
Filed: 1956-03-22
Abstract: 801,375. Ammunition cartridges. ACTIVA IBERA S.A. March 22, 1956 No. 8934/56. Class 9(1) A cartridge comprises a projectile 1 fitted in a case 2 provided with a percussion cap 3 and containing a composite propellant charge 4, 5 the part 4 of the charge being very fast-burning and so chosen that it is completely consumed when the maximum pressure is reached in the gun. The charge 4, which may be flakes, grains or tubes of powder, has a forward taper so that as it burns the burning surface area decreases. To further reduce wear in the gun, the charge 4 may be a powder having a low combustion temperature. The main charge 5 may be split up into charges 5a, 5b, the charge 5a being faster than 5b but slower than charge 4. This intermediate charge may be sandwiched between the charge 4 and the charge 5b or arranged as an annular sheath 7, Fig. 3, separated from an extension of the main charge 6 by a tube 8 formed with protruberances 9 for positioning the tube in the case. Part or all of the charge 4 may surround the tube 8. At least one of the partial charges may be a tubular powder treated on the outer surface with a phlegmatizing agent. Specification 777,192 is referred to.
Patent GB-462786-A (GB)
Title: Improved method for producing readily sliding rubber articles for therapeutic purposes
IPC: B29C37/00
Filed: 1936-03-25
Abstract: A lubricant for rubber surfaces comprises known rubber-lubricant substances such as tragasol, tragacanth, or locust-bean meal, and a fine powder such as finely divided talc or mica, or face powder, applied in admixture or in succession.ALSO:The rubber surfaces of tubing, catheters, probes, syringe nozzles, teats and teething rings, finger-stalls or surgical gloves, are lubricated by applying thereto in succession (1) a fine powder such as finely powdered talc or mica, or face powder, and (2) known lubricant substances such as tragasol, tragacanth, or locust-bean meal, or by applying mixtures of these two classes of substances.  The so treated surfaces are not mutually adherent.
Patent GB-1120346-A (GB)
Title: Improvements in or relating to noise loading test sets
Inventor: JACOBSEN BENT BULOW
IPC: H04B3/46
Filed: 1967-02-24
Abstract: 1,120,346. Testing multi-channel telephone lines. STANDARD TELEPHONES & CABLES Ltd. Feb. 24, 1967, No.8974/67. Heading G1U. A noise loading test set for testing multichannel carrier telephone line equipment for non linear distortion performance operates by applying a white noise spectrum to the line, eliminating from this spectrum, using a band stop filter, a narrow band of frequencies to which the line receiver is tuned, and determining the noise introduced by the line into this frequency slot at the receiver. This is done by adjusting an attenuator to give the same receiver output as before the slot was introduced. This known system, however, introduces third order non linear noise and according to the invention this is reduced by introducing into the test set a compensating arrangement for the band stop filter which causes the transmitted power density in the vicinity of the stopped band to be relatively increased, so that the overall transmitted power remains the same. The compensating arrangement consists of a constant impedance filter in cascade with the band stop filter, which comprises either a series connected resonant circuit shunted by a resistance or a shunt connected anti-resonant circuit in series with a resistance.
Patent GB-859634-A (GB)
Title: An improved electric terminal block
Inventor: ZEFFERT HYMAN
IPC: H01R9/24
Filed: 1958-03-20
Abstract: 859,634. Terminal boards. VICKERS AIRCRAFT HOLDINGS Ltd., [formerly VICKERSARMSTRONGS (AIRCRAFT) Ltd.]. Jan. 1, 1959 [March 20. 1958], No. 8982/58. Class 38(1) A terminal block comprises an injection moulding of insulating material, such as nylon, having a base portion 10 with a series of integral, transverse, upstanding projections 11 forming between them cells 12 in which are located binding-posts 13 having lead portions embedded in the base, the ends of projections 11 being beaded at 111 to restrict the angle through which a terminal tag may be swung on a binding- post. Such beadings may carry identification numerals. Apertured lugs 17 are formed at the ends of the base to receive fixing screws 18 which may incorporate pillars 19 serving to support a cover plate 20. The block may be made in different colours to distinguish circuits or different parts of the same block may be differently coloured. Fig. 6 shows another construction wherein the base carries a double row of binding posts 13, the rows being separated by a longitudinal web 22 formed integral with the projections 11. The fixing lugs 17 at opposite ends of the block are staggered so that a number of blocks assembled end to end may be nested one against the other.
Patent GB-636209-A (GB)
Title: Improvements in or relating to processes of making agglomerated sodium acid pyrophosphate and the improved product resulting therefrom
IPC: A21D2/02
Filed: 1947-04-02
Abstract: Agglomerated sodium acid pyrophosphate suitable for a leavening agent in self-rising flours and baking powders is prepared by moistening finely-divided sodium acid pyrophosphate with from 6 to 15 per cent of an aqueous medium or a solution of an alkaline earth salt, such as calcium lactate, chloride, glycerophosphate, monocalcium phosphate or magnesium lactate, sulphate or chloride, and agitating the moistened pyrophosphate to form agglomerates. These are dried at a temperature between 60 DEG  and 110 DEG  C., after preliminary screening.  A wetting agent such as sodium alkyl sulphates or sulphonates, alkylated aromatic sulphonates or alkali metal salts of fatty acids may be added to the moistening liquid from between 0.05 and 2 per cent by weight to assist the agglomeration and to precipitate disintegration on contact with water.  U.S.A. Specifications 1,834,747 and 1,951,328 are referred to.ALSO:Agglomerated sodium acid pyrophosphate for use in self-rising flours, baking powders and as a leavening agent is prepared by moistening the finely ground pyrophosphate with water or an alkaline earth salt solution to form agglomerates which are then screened and dried, the product retaining the moisture resisting properties of coarsely ground pyrophosphate as well as the superior baking and leavening qualities of the finely ground pyrophosphate.  From 0.05-2 per cent by weight of a wetting agent; e.g., sodium lauryl sulphate, may be added to the moistening liquid to assist agglomeration and to facilitate disintegration on contact with water or batter mixes.  According to examples, the pyrophosphate is incorporated with sodium bicarbonate and flour to obtain a self-rising flour, and with sodium bicarbonate to obtain a baking powder.  U.S.A. Specifications 1,834,747 and p  1,951,328 are referred to.
Patent GB-165528-A (GB)
Title: Improvements in or relating to toothed gearing
IPC: F16H55/08
Filed: 1920-03-27
Abstract: 165,528. Pollock, J. March 27, 1920. Toothed wheels and pinions, or the toothed parts thereof, are formed as integral units with stepped teeth and end and intermediate shrouds. The teeth may be out or cast and some of the working faces along the length of each stepped tcoth may be set back from immediate working contact to form a reserve against excessive wear of the working portions. As shown, the teeth are stepped progressively or otherwise from 1<a> to 1<f> and are stiffened by end and intermediate shrouds A - - G, the height of the shrouds being about half that of the teeth. According to the Provisional Specification, the shrouds may be dispensed with, and the total breadth of the wheels or pinions or of the toothed portions may be made in one or more parts.
Patent GB-681969-A (GB)
Title: Improvements in or relating to the manufacture of shoes
IPC: A43B13/32
Filed: 1950-04-13
Abstract: 681,969. Moulding shoe soles from synthetic resin. BRITISH UNITED SHOE MACHINERY CO., Ltd. (United Shoe Machinery Corporation). April 12, 1951 [April 13, 1950], No. 9085/50. Class 87 (ii). A sole-and-heel member of synthetic resin, e.g. a polymer or co-polymer of vinyl chloride, is moulded onto the bottom surface of a shoe, a fluid paste dispersion of particles of the resin being heated sufficiently in the mould to enable it to retain its shape and adhere to the shoe bottom, final solidification being effected by heating outside the mould. During the moulding, the shoe upper 10 including insole 14 is held in position on a heated mould 24 by means of an articulated retaining ring 26 connected to a press beam 30 by means of a frame 28. Fluid or pasty resin dispersion is introduced into the mould through an opening 46 which is then closed by a spring-actuated shutter 50. The shoe and the adhering sole are removed from the mould after a shape-retaining shell has formed on the surface of the sole. The shoes are then passed on a conveyer under a number of infra-red lamps which complete the curing of the resin. Alternatively, curing may be effected in an oven, or by high-frequency heating. Before the sole is finally cooled a pattern may be applied by rolling a fluted roller along it.
Patent GB-675408-A (GB)
Title: Improvements in heat regenerators
IPC: F28D17/02
Filed: 1950-04-13
Abstract: 675,408. Heat regenerators. REFSLUND, K. April 13, 1950 [April 13, 1949]; No. 9115/50. Class 64(i) In a heat regenerator, e.g. for use with a gas turbine, comprising one or more pistons 17 each containing a heating space divided by partitions 20, 24 into sections 23 through which heating and heat-absorbing fluids flow alternately transversely to the piston axis, in contact with heat absorbing and transmitting material in the heating space, the piston is cylindrical and is displaceable in a cylinder 1 having ports 26 for the two fluids alternating axially, and piston rings 25 close the spaces between the cylinder wall and the partitions. The piston rings may be on the piston wall, as shown, or on the cylinder wall. In one form, Fig. 1, the piston 17 contains two passages 18, 19 separated by a partition 20 and subdivided by partitions 24 into compartments containing heat-absorbing material. The cylinder 1 has an annular jacket which is subdivided by partitions into semi-annular chambers. Flow of fluid between the ends of the piston and the cylinder is prevented by telescopic partitions 34, 35, or by imperforate extensions of the piston. With the piston in the position shown, the heat transmitting fluid flows through the lower passage 18 from the inlet 15, and the heat absorbing fluid flows through the inlet pipe 10, the upper passage 19, and the outlet pipe 12. When the piston is moved to its lower position by hydraulic actuation of an attached piston 28, the heating fluid flows through the upper passage 19 and the heated fluid through the lower passage 18. The heat-absorbing material in the piston may be tubes, plates, threads, porous material, or, as shown in Fig. 3, alternating flat and corrugated sheets 47, 48, the corrugations being such that the passages 107 formed by them have a greater hydraulic diameter at the centre than at the sides. Cleaning fluid, e.g. a liquid or compressed air, can be passed through the piston passages 18, 19 from chambers 38 with outlet slots to chambers 42 with inlet slots. In another form, the piston is annular, and encloses two coaxial passages for the supply of one fluid and withdrawal of the other. The piston may have more than two transverse passages for fluids, and a regenerator may comprise more than one piston moving independently or coupled together. They may be actuated hydraulically, by compressed air, or by a rotating shaft. When combustion gases are used for heating, they may byepass the piston passages at the start, through a byepass pipe or passage in the cylinder, to prevent sooting up. For this purpose, the telescopic plates 34 at one end of the cylinder may be collapsed hydraulically to allow free passage of the hot gases. Alternatively, the piston may be in two parts which are initially separated to allow free passage of the hot gases, and are afterwards connected together.
Patent GB-416732-A (GB)
Title: Improvements in or relating to hearth curbs
IPC: F24B1/198
Filed: 1933-03-27
Abstract: 416,732. Hearth curbs. SMITH, Ltd., H., and SMITH, H. G., King Street Passage, Dudley, Worcestershire. March 27, 1933, No. 9117. [Class 126.] A hearth curb seat comprises a box seat 1 containing a detachable false bottom 7 with a rearward downward slope, an inclosing and open-fronted box liner 9 located within the box and resting on the false bottom 7, and a door 5. The bottom of the liner 9 has its front part 10 upwardly inclined. The door 5 may be hinged at its upper or lower end.
Patent GB-214616-A (GB)
Title: A method of stimulating the combustion of fuels
IPC: F23C99/00
Filed: 1924-04-10
Abstract: 214,616. Deschamps, J. J. April 16, 1923, [Convention date]. Liquid and pulverulent fuel furnaces. - To stimulate combustion of finely-divided solid or liquid fuel, the fuel is suspended in a current of air subjected to rapid vibrations which reach the point of combustion and are of the order of frequency of sound vibrations. The pulsations may be produced by interrupting or modifying the gaseous or liquid currents by mechanicallyoperated valves, pulsators, sirens, &c. In a modification, the fuel is suspended in a primary current consisting of a portion of the air of combustion and encounters a secondary current comprising the remainder of the air, rapid vibrations being imparted to the primary or to the secondary current. Specification 5801/08 is referred to.
Patent GB-624486-A (GB)
Title: A process for the manufacture of pentaenes
Filed: 1947-04-03
Abstract: Pentaenes of the formula <FORM:0624486/IV (b)/1> are obtained by condensing 4-(21, 61, 61 -trimethyl-cyclohexene-(11)-yl)-2-methyl-butene-(2)-al-(1) with a Grignard compound of 1-hydroxy-3-methyl-pentene-(2)-yne-(4) or a lower alkyl ether thereof and then in optional sequence partially hydrogenating, by the action of 1 mol. of hydrogen and, in order to effect allyl rearrangement and to introduce a further double bond by dehydration, reacting with a compound from which iodine is easily split off, e.g. phosphorus di-iodide, hydrogen iodide and iodine halide, the 1-hydroxy-3,7-dimethyl-6-hydroxy-9-(21, 61, 61-trimethyl-cyclohexene-(11)-yl)-nonadiene-(2,7) -yne-(4) or lower alkyl ether thereof obtained.  The rearrangement and dehydration step is advantageously carried out in an inert diluent of boiling between 80 DEG  and 140 DEG  C., e.g. petroleum ether. The hydrogenation may be effected in the presence of a palladium-charcoal catalyst.  During the synthesis antioxidants such as tocopherols may be added. Detailed examples are given. Specification 605,208 is referred to.
Patent GB-132554-A (GB)
Title: Apparatus for Surfacing and Polishing Wire.
Inventor: AUGUST JOHANNES ROBERT CARL
IPC: B24B5/38
Filed: 1918-06-05
Abstract: 132,554. August, J. R. C., and Hemmings, J. W. June 5, 1918. Wire, surfacing.-Apparatus for surfacing and polishing wire comprises, in combination, a circular rotary head-piece 5 through the central bore in which the wire 11 is propelled axially, radial guides in the head-piece opening into the bore, grinding-blocks 13 mounted in the guides and adapted to be fed against the wire, and rotary buffing or polishing wheels 15 located beyond the head-piece and adapted to rotate on their own axes and to be moved in an orbit round the wire. The head-piece is combined with a tubular mandrel 3 supported in bearings 1, and its free end is supported by a number of adjustable pins 8 carried in a ring 6 fixed to the base 7. The wire, which is prevented from rotating, may be carried on a rod at one end of the apparatus and be drawn through by a drum mounted at the other end.
Patent GB-126507-A (GB)
Title: Improvements in Concrete House Moulds.
Inventor: MCKENNA THEODORE
IPC: E04G11/02
Filed: 1918-06-05
Abstract: 126,507. McKenna, T., (Industrial Poured Concrete House Co.). June 5, 1918. Casting in situ.-A mould for casting a house of several storeys in a single pour is constituted by a single outer casing 10 having the whole height of the walls and inner cells A, B, C determining the rooms. Each cell is closed at the top but devoid of bottom and is supported on the one below it by spacers 50, Fig. 4, leaving passage for the concrete to flow horizontallv and form the floors e. The casing and cells are built up of flanged metal plates which are clamped together by studs and cotters, and they are stiffened by cross-bars 22 and tierods 28.